Star-cut gem



FIG. 1 is a top plan view of a star-cut gem showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear plan view thereof; and,

FIG. 6 is a perspective view thereof. 

The ornamental design for a star-cut gem, as shown and described. 